Cita APA (7a ed.)

Howell, J. C. 1., & Griffiths, E. (2016). Gangs in America's communities (2. ed.). Sage.

Cita Chicago Style (17a ed.)

Howell, James C. 19XX-, y Elizabeth Griffiths. Gangs in America's Communities. 2. ed. Los Angeles [u.a.]: Sage, 2016.

Cita MLA (9a ed.)

Howell, James C. 19XX-, y Elizabeth Griffiths. Gangs in America's Communities. 2. ed. Sage, 2016.